Senior Enterprise Network Engineer with DOE/NNSA Clearance

Piper Companies; Washington (District of Columbia); On-site; USD 165,000 - 175,000; Full time

Job summary

Zachary Piper Solutions is seeking a Network Engineer Tier 3 to support a federal government contractor focused on cybersecurity operations, engineering, and compliance for the Department of Energy (DOE) and National Nuclear Security Administration (NNSA). This on-site role is based in Washington, DC and requires active clearance.

You will deliver advanced network engineering, administration, and security support across complex enterprise environments to ensure availability, performance, and

Qualifications

• Bachelor's degree in a related technical field or equivalent experience.
• Active DOE Q or Top Secret clearance required.
• Experience configuring Cisco routers/switches (IOS/NX-OS) and Palo Alto firewalls.
• Strong knowledge of F5 GTM/DNS, routing, security, and performance optimization.

Responsibilities

• Install, configure, maintain and optimize enterprise LAN/WAN infrastructure.
• Monitor performance, troubleshoot complex connectivity issues, and implement improvements.
• Manage security patching, hardening, incident response, and compliance.
• Support data center ops, virtualization, backups, and DR initiatives.
• Collaborate with engineers and government customers for technical recommendations and reporting.

Skills

8+ years exp

Cisco IOS/NX-OS

Palo Alto Firewall

VPN technologies

F5 GTM/DNS

LAN/WAN

Security patching

Data center ops

Education

Bachelor's degree in IT/CS/Cybersecurity/Engineering

Tools

Cisco IOS

Cisco NX-OS

Palo Alto

TACLANE

GEM One

F5 BIG-IP

Job description

Zachary Piper Solutions is seeking a Network Engineer Tier 3 to support a federal government contractor focused on cybersecurity operations, engineering, and compliance for the Department of Energy (DOE) and National Nuclear Security Administration (NNSA). This on-site role is based in Washington, DC and requires active clearance.

You will deliver advanced network engineering, administration, and security support across complex enterprise environments to ensure availability, performance, and